Search a number
-
+
65150249 is a prime number
BaseRepresentation
bin1111100010000…
…1110100101001
311112120222100012
43320201310221
5113134301444
610244221305
71420524263
oct370416451
9145528305
1065150249
113385938a
121999a835
1310661258
14891cb33
155abdb9e
hex3e21d29

65150249 has 2 divisors, whose sum is σ = 65150250. Its totient is φ = 65150248.

The previous prime is 65150231. The next prime is 65150287. The reversal of 65150249 is 94205156.

It is a happy number.

65150249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 6091024 = 7685^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 65150249 - 212 = 65146153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65150549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32575124 + 32575125.

It is an arithmetic number, because the mean of its divisors is an integer number (32575125).

Almost surely, 265150249 is an apocalyptic number.

It is an amenable number.

65150249 is a deficient number, since it is larger than the sum of its proper divisors (1).

65150249 is an equidigital number, since it uses as much as digits as its factorization.

65150249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 65150249 is about 8071.5704172113. The cubic root of 65150249 is about 402.3821374742.

The spelling of 65150249 in words is "sixty-five million, one hundred fifty thousand, two hundred forty-nine".